Explosive mixture for combustion-engines.



' phere, the oxygen necessar I neer, a subject of the King of Bel siding at 1 .Sudermannstrasse, Cologne-om PAUL WINAND, or COLOGNE, GER ANY.

EXPLOBIVE MIXTURE FOR COMBUSTION-ENGIlINES.

To all whom it concern:

Be it known that 1, PAUL WVInAND, engithe-Rhine, Germany, have invented certain new and useful Improvements in Explosive Mlxtures for CombustionEngines; and I do hereby declare the following to be a full,

clear, and exact descri tion of the invention, such as will'enable others skilled in the art to which it appertains to make and. use the same. V.

For the operation of combustion engines for the propulsion of submarine boats and torpedoes and the like wherein it is impracticable to supply the combustion chamber with air drawn from the external atmosfor such comustion must e carried on oard in storage, either in the form of compressed oxygen or in the form of suitable substances from which the oxygen is obtainable. Where the oxygen is stored in a com ressed state under pressure, the Wei ht o .the stored oxylgen is but 20% of t e total W6lit of itse and its containing receptacle. ere chemicals are stored for the production of the oxygen, as for instance, the perchlorates,

the ercentage, by Weight, of oxygen to the tota weight of the chemicals is greater, but it is necessary to employ apparatus of suitable Weight for the productlon of the oxygen from the chemicals and the general operation is not only materially complicated and uncertain, but the yield of free oxy en'fnever reaches, in practice, the theoretica value.

In contrast to what has been heretofore p proposed, it is a distinguishing characteristic of my invention, as hereinafter described, that the oxygen bearing substance or com ound employed by me can be used not 0 y in ordinary temppratures and under loW vapor I'pressure, ut also that being already in a liquid state, it can be introduced into the engine without preliminary chemical transformation into said liquid condition. So also, my invention receptacles for the oxygen-bearing substance or compound, being subjected to no substantial internal vapor pressure, may be of thin wall structure and consequently of but moderate Weight, which is not the case with receptacles containing compressed oxy en. Furthermore, in contrast to the difficu ties experienced in generating and making avail- Speciflcatlon of Letters Patent. Application filed October 31, 1906. Serial No. 341,510.

'ium, re-

stances oxygen-bearing @N O on the other hand,

mated March 9, eoe.

chlorates and the hke, myinvention o ers able in the engine; oxygen from the e1'-- ,the great simplification that the oxygenbearer is a fluid, requiring no oxygen gen-v erator for. its employment,'but capable of being pumped directly into the engine.

In carrylng out my invention I employ as the. oxygen bearer such nitrated carbon compounds as contain a large proportion of carbon with respect to the hydrogen Lpresent therein and at the same time a sma er proportion of oxygen, as, for instance, the mtroenzols, O H NO O H N O and 0 H, N 0 or such' nitrated carbon compounds as contain a large proportion of nitrogen in comparison to the carbon-present, as, for instance, tetranitror'nethane CN O These nitrated carbon compounds, moreover, have the great advantage that they are not explosive, which is not the case with those subwhich contain substantially enough .oxygen to effect the complete combustion of the carbon and hydrogen present in them.

In fact it is clear that these latter substances if ignited at any point are immediately consumed throughout their entire mass without the access of air.

The oxygen contained in the N0 groups of the nitro compounds is as available for combustion as free oxygen and. it can take the placerof a like weight" of the latter. ll the substance (as-in the case for the nitrobenzols) contains less oxygen then is necessary for the complete combustion of the carbon and hydrogencontained therein there must be employer in order to obtain comlete comsbustion'," a-- sup lemental quantity of additional oxygen. his supplemental oxygen is, however, less than is necessary for the production of the same heating effect with an ordinary fuel, The nitro-benzols and the like may, therefore, be spoken of as fuels. By their employf'rom 7 to 20% of the otherwise neces- Tetranitro-methane, J is a substance iqihich contains an excess of oxygen inasment sary oxygen is saved.

presents the advantage that the containing jmuch as of theeight'atorns of oxygen, only twoflare necessary for thev complete combustion of the one atom f carbon to carbonic dioxid. Three-fourths of the oxygen is therefore in excess and may be em 10 ed for the combustion of supplemental ue introduced into the combustion chamber. Tetranito-methane may, therefore, be designated asnot only. an oxidizing agent or oxymg cylinder, the one su plying theexcessof fuelto combine with t e excess of oxygen of the other; The usual-.- diluent for maintaimng the: required limitation of temperature, wouldpreferably be su plied either by the products of combustion i'lcm the engine or from. the external seawater; so that it would not be necessary to carry upon the submarine any special diluent'or receptacle therefor. I

Having thusdescribed my invention, what I claim and desire to secure by Letters Patent of the United States, is:

'1. An explosive mixture for, combustion engines consisting of a suitable diluent, an oxidizing agent, and a non-explosive nitrated carbon compound containing hydrogen and wherein the percenta e of ox gen is the percentage of car on wit respect to the hydrogen present is large; substantially as descr bed, a y i 2. An explosive mixture for combustion.

engines consisting of a suitable diluent, and an oxidizing a ent, together with nitro-benzol substantia y as described.

3. An exploslve mixture for combustion ow andengines consisting of a suitable diluent, and two nitrated car separately non-explosive, but which are explosive when mixed; substantially as de scribed.

4. An explosive mixture for combustion engines consisting of a suitable diluent, a

on compounds, which aresaid excess of oxygen;

containing a large percentage of nitrogen in V proportion to the'ca'rbon present and an excess of oxygen over the quantity necessary to consume its carbon, and a combustible adapted to be consumed by said excess of carbon, said combustible consisting of a nonexplosive nitrated carbon compound contaming hydrogen and wherein a small percentage of oxygen is present; substantially as described.

6. An explosive mixture forcombustion engines consistin of a suitable diluting agent, nitro-benzo and tetranitro methane; substantially as described.

In testimony whereof I have affixed my signature, in presence of two witnesses.

PAUL WINAND.

Witnesses: I 'Bnssrn F. DUNLAP,

' LoUIs VANDORNL 

